Lessons from the longest study on happiness. / A világ leghosszabb boldogságkutatásának eredményei. Robert Waldinger is a psychiatrist, psychoanalyst and Zen priest. He is Clinical Professor of Psychiatry at Harvard Medical School and directs the Harvard Study of Adult Development, one of the longest-running studies of adult life ever done. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx